How many Su-34s did the Ukrainians shoot down in February? Available clues

Of the declared shootings on February 17-29, 2024, there are no 3 doubts. The first is to shoot down a Su-35 fighter on February 17, confirmed by a photograph of a Russian search and rescue group with its pilot. The second confirmed device is besides Su-35 shot down at the Azov Sea on 19 February. There's footage of the pilot's search with a visible tail of a broken machine. Then he was reported dead as a consequence of a cold in the sea. Finally, in respective films and obituary confirmation was found shooting down an early A-50U informing aircraft.